<template>
  <div>
    <!--引用表格-->
    <BasicTable @register="registerTable" :rowSelection="rowSelection" :expandedRowKeys="expandedRowKeys"
      @expand="handleExpand" @fetch-success="onFetchSuccess">
      <!--插槽:table标题-->
      <template #tableTitle>
        <a-button type="primary" @click="handleCreate" preIcon="ant-design:plus-outlined"> 新增</a-button>
        <a-button type="primary" preIcon="ant-design:export-outlined" @click="onExportXls"> 导出</a-button>
        <j-upload-button type="primary" preIcon="ant-design:import-outlined" @click="onImportXls">导入</j-upload-button>

        <a-dropdown v-if="selectedRowKeys.length > 0">
          <template #overlay>
            <a-menu>
              <a-menu-item key="1" @click="batchHandleDelete">
                <Icon icon="ant-design:delete-outlined"></Icon>
                删除
              </a-menu-item>
            </a-menu>
          </template>
          <a-button>批量操作
            <Icon icon="ant-design:down-outlined"></Icon>
          </a-button>
        </a-dropdown>
        <!-- 高级查询 -->
        <super-query :config="superQueryConfig" @search="handleSuperQuery" />
      </template>
      <!--操作栏-->
      <template #action="{ record }">
        <TableAction :actions="getTableAction(record)" :dropDownActions="getDropDownAction(record)" />
      </template>
      <!--字段回显插槽-->
      <template v-slot:bodyCell="{ column, record, index, text }">
      </template>
    </BasicTable>
    <!--字典弹窗-->
    <NurseGoodsModal @register="registerModal" @success="handleSuccess" />
    <GoodsDetailDrawer @register="registerGoodsDetail" />
  </div>

</template>

<script lang="ts" name="nurse_goods-nurseGoods" setup>
//ts语法
import { ref, reactive, unref } from 'vue';
import { BasicTable, TableAction } from '/@/components/Table';
import { useModal } from '/@/components/Modal';
import { useListPage } from '/@/hooks/system/useListPage'
import NurseGoodsModal from './components/NurseGoodsModal.vue';
import { columns, searchFormSchema, superQuerySchema } from './NurseGoods.data';
import { downloadFile } from '/@/utils/common/renderUtils';
import { list, deleteNurseGoods, batchDeleteNurseGoods, getExportUrl, getImportUrl, getChildList, getChildListBatch } from './NurseGoods.api';
import GoodsDetailDrawer from './GoodsDetailDrawer.vue';
import { useDrawer } from '/@/components/Drawer';

const [registerGoodsDetail, { openDrawer: openGoodsDetail }] = useDrawer();

const queryParam = reactive<any>({});

const expandedRowKeys = ref([]);
//字典model
const [registerModal, { openModal }] = useModal();
//注册table数据
const { prefixCls, tableContext, onExportXls, onImportXls } = useListPage({
  tableProps: {
    api: list,
    title: '商品管理',
    columns,
    canResize: false,
    isTreeTable: true,
    formConfig: {
      //labelWidth: 120,
      schemas: searchFormSchema,
      autoSubmitOnEnter: true,
      showAdvancedButton: true,
      fieldMapToNumber: [
      ],
      fieldMapToTime: [
      ],
    },
    actionColumn: {
      width: 280,
      fixed: 'right'
    },
    beforeFetch: (params) => {
      return Object.assign(params, queryParam);
    },
  },
  exportConfig: {
    name: "商品管理",
    url: getExportUrl,
    params: queryParam,
  },
  importConfig: {
    url: getImportUrl,
    success: importSuccess
  },
})

const [registerTable, { reload, collapseAll, updateTableDataRecord, findTableDataRecord, getDataSource }, { rowSelection, selectedRowKeys }] = tableContext

// 高级查询配置
const superQueryConfig = reactive(superQuerySchema);

function handleGoodsDetail(record) {
  openGoodsDetail(true, {
    record
  });
}
/**
 * 高级查询事件
 */
function handleSuperQuery(params) {
  Object.keys(params).map((k) => {
    queryParam[k] = params[k];
  });
  reload();
}

/**
 * 新增事件
 */
function handleCreate() {
  openModal(true, {
    isUpdate: false,
  });
}

/**
 * 编辑事件
 */
async function handleEdit(record) {
  openModal(true, {
    record,
    isUpdate: true,
  });
}

/**
 * 详情
 */
async function handleDetail(record) {
  openModal(true, {
    record: { ...record, },
    isUpdate: true,
    hideFooter: true,
  });
}

/**
 * 删除事件
 */
async function handleDelete(record) {
  await deleteNurseGoods({ id: record.id }, importSuccess);
}

/**
 * 批量删除事件
 */
async function batchHandleDelete() {
  const ids = selectedRowKeys.value.filter(item => !item.includes('loading'))
  await batchDeleteNurseGoods({ id: ids }, importSuccess);
}
/**
 * 导入
 */
function importSuccess() {
  (selectedRowKeys.value = []) && reload();
}
/**
 * 添加下级
 */
function handleAddSub(record) {
  openModal(true, {
    record: { ...record },
    isUpdate: false,
  });
}
/**
 * 成功回调
 */
async function handleSuccess({ isUpdate, values, expandedArr, changeParent }) {
  console.log("values", isUpdate)
  console.log("values", changeParent)
  if (isUpdate) {
    reload();
    if (changeParent) {
    } else {
      // 编辑回调
      updateTableDataRecord(values.id, values);
    }
  } else {
    if (!values['id'] || !values['pid']) {
      //新增根节点
      reload();
    } else {
      //新增子集
      expandedRowKeys.value = [];
      for (let key of unref(expandedArr)) {
        await expandTreeNode(key)
      }
    }
  }
}

/**
 * 接口请求成功后回调
 */
function onFetchSuccess(result) {
  getDataByResult(result.items) && loadDataByExpandedRows();
}
/**
 * 根据已展开的行查询数据（用于保存后刷新时异步加载子级的数据）
 */
async function loadDataByExpandedRows() {
  if (unref(expandedRowKeys).length > 0) {
    const res = await getChildListBatch({ parentIds: unref(expandedRowKeys).join(',') });
    if (res.success && res.result.records.length > 0) {
      //已展开的数据批量子节点
      let records = res.result.records
      const listMap = new Map();
      for (let item of records) {
        let pid = item['pid'];
        if (unref(expandedRowKeys).includes(pid)) {
          let mapList = listMap.get(pid);
          if (mapList == null) {
            mapList = [];
          }
          mapList.push(item);
          listMap.set(pid, mapList);
        }
      }
      let childrenMap = listMap;
      let fn = (list) => {
        if (list) {
          list.forEach(data => {
            if (unref(expandedRowKeys).includes(data.id)) {
              data.children = getDataByResult(childrenMap.get(data.id))
              fn(data.children)
            }
          })
        }
      };
      fn(getDataSource())
    }
  }
}
/**
 * 处理数据集
 */
function getDataByResult(result) {
  if (result && result.length > 0) {
    return result.map(item => {
      //判断是否标记了带有子节点
      if (item["hasChild"] == '1') {
        let loadChild = { id: item.id + '_loadChild', name: 'loading...', isLoading: true }
        item.children = [loadChild]
      }
      return item
    })
  }
}
/**
 *树节点展开合并
 * */
async function handleExpand(expanded, record) {
  // 判断是否是展开状态，展开状态(expanded)并且存在子集(children)并且未加载过(isLoading)的就去查询子节点数据
  if (expanded) {
    expandedRowKeys.value.push(record.id)
    if (record.children.length > 0 && !!record.children[0].isLoading) {
      let result = await getChildList({ pid: record.id });
      result = result.records ? result.records : result;
      if (result && result.length > 0) {
        record.children = getDataByResult(result);
      } else {
        record.children = null
        record.hasChild = '0'
      }
    }
  } else {
    let keyIndex = expandedRowKeys.value.indexOf(record.id)
    if (keyIndex >= 0) {
      expandedRowKeys.value.splice(keyIndex, 1);
    }
  }
}
/**
 *操作表格后处理树节点展开合并
 * */
async function expandTreeNode(key) {
  let record = findTableDataRecord(key)
  expandedRowKeys.value.push(key);
  let result = await getChildList({ pid: key });
  if (result && result.length > 0) {
    record.children = getDataByResult(result);
  } else {
    record.children = null
    record.hasChild = '0'
  }
  updateTableDataRecord(key, record);
}
/**
 * 操作栏
 */
function getTableAction(record) {
  return [
    {
      label: '编辑',
      onClick: handleEdit.bind(null, record),
    },
    {
      label: '添加下级',
      onClick: handleAddSub.bind(null, { pid: record.id }),
    },
    {
      label: '商品属性',
      onClick: handleGoodsDetail.bind(null, record),
    },

  ]
}
/**
 * 下拉操作栏
 */
function getDropDownAction(record) {
  return [
    {
      label: '详情',
      onClick: handleDetail.bind(null, record),
    }, {
      label: '删除',
      popConfirm: {
        title: '确定删除吗?',
        confirm: handleDelete.bind(null, record),
        placement: 'topLeft',
      }
    }
  ]
}


</script>

<style scoped></style>
